How to get code doen here on indeed resume

Hi so i've written my codes on this complier platformm and when i download the code it saves to my file as it should but when i add the link of the code from my file to my resume it doesnt show up on any other device, aside from my laptop which is where the file is but i don't know what to do i want to move on to other projects but i want this resolved quick. pls help